Home / 1,312,816.45-1,969,049.70-366,107.89

Finding the Fourth Proportional to 1,312,816.45, 1,969,049.70 and 366,107.89

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Solution

The fourth proportional to 1,312,816.45, 1,969,049.70 and 366,107.89 is: 549,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,816.45 : 1,969,049.70 = 366,107.89 : x
  2. Step 2: Convert to fraction form
    1,312,816.45/1,969,049.70 = 366,107.89/x
  3. Step 3: Cross multiply
    1,312,816.45x = 1,969,049.70 × 366,107.89
  4. Step 4: Simplify right side
    1,312,816.45x = 720,884,630,972.13
  5. Step 5: Solve for x
    x = 720,884,630,972.13/1,312,816.45
  6. Step 6: Final answer
    x = 549,113.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.